Home / 19,090.66-28,642.82-11,609.44

Finding the Fourth Proportional to 19,090.66, 28,642.82 and 11,609.44

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Solution

The fourth proportional to 19,090.66, 28,642.82 and 11,609.44 is: 17,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.66 : 28,642.82 = 11,609.44 : x
  2. Step 2: Convert to fraction form
    19,090.66/28,642.82 = 11,609.44/x
  3. Step 3: Cross multiply
    19,090.66x = 28,642.82 × 11,609.44
  4. Step 4: Simplify right side
    19,090.66x = 332,527,100.22
  5. Step 5: Solve for x
    x = 332,527,100.22/19,090.66
  6. Step 6: Final answer
    x = 17,418.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.